package com.atcd.springcloud;

import com.netflix.hystrix.contrib.metrics.eventstream.HystrixMetricsStreamServlet;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.cloud.client.circuitbreaker.EnableCircuitBreaker;
import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
import org.springframework.context.annotation.Bean;

@SpringBootApplication
@EnableEurekaClient
//服务激活注解
@EnableCircuitBreaker
public class PaymentHystrixMain8001 {
	public static void main(String[] args) {
		SpringApplication.run(PaymentHystrixMain8001.class,args);
	}


	/**
	 * 注意：新版本Hystrix需要在主启动类中指定监控路径
	 * 此配置是为了服务监控而配置，与服务容错本身无关，spring cloud升级后的坑
	 * ServletRegistrationBean因为springboot的默认路径不是"/hystrix.stream"，
	 * 只要在自己的项目里配置上下面的servlet就可以了
	 *
	 * @return ServletRegistrationBean
	 */
	//监控的配置hystrix
	@Bean
	public ServletRegistrationBean getServlet(){
		HystrixMetricsStreamServlet streamServlet = new HystrixMetricsStreamServlet();
		ServletRegistrationBean registrationBean = new ServletRegistrationBean(streamServlet);
		registrationBean.setLoadOnStartup(1);
		registrationBean.addUrlMappings("/hystrix.stream");
		registrationBean.setName("HystrixMetricsStreamServlet");
		return registrationBean;
	}
}


